AirHint found the following cheapest return flights from Montreal (YUL) to Yaounde (NSI) in September 2025 (see full year).

Return flights

17 Sep - 24 Sep	Turkish Airlines
26 Sep - 03 Oct	Turkish Airlines
24 Sep - 01 Oct	Turkish Airlines
30 Sep - 07 Oct	Royal Air Maroc
19 Sep - 26 Sep	Turkish Airlines
14 Sep - 21 Sep	Turkish Airlines
21 Sep - 28 Sep	Turkish Airlines
28 Sep - 05 Oct	Turkish Airlines
12 Sep - 19 Sep	Turkish Airlines
08 Sep - 15 Sep	Air Canada
10 Sep - 17 Sep	Brussels Airlines
16 Sep - 23 Sep	Air Canada
22 Sep - 29 Sep	Air Canada
09 Sep - 16 Sep	Brussels Airlines
29 Sep - 06 Oct	Brussels Airlines
25 Sep - 02 Oct	Royal Air Maroc
27 Sep - 04 Oct	Air Canada

Also check the deals for one-way flights from Montreal to Yaounde in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to Yaounde in September from $1259

Return flights